What is CVE-2019-8363?

CVE-2019-8363 is a medium-severity vulnerability in Verydows, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-02-16.

How severe is CVE-2019-8363?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Verydows

CVE-2019-8363

Verydows 2.0 has XSS via the index.php?c=main a parameter, as demonstrated by an a=index[XSS] value.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-02-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.008 (57.1th percentile), scored 2026-10-25.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Verydows — versions 2.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/Verytops/verydows/issues/12 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-8363?: CVE-2019-8363 is a medium-severity vulnerability in Verydows, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-02-16.
How severe is CVE-2019-8363?: Medium severity. CVSS v3 base score is 6.1 out of 10.